羿弓求箭

因为 Fair Use Policy 的关系，免费是有限度的，网站上也没有具体说清楚，
不过绝对是在你打了足够多的电话之后，也就是说够本了。

http://www.voipstunt.com/en/termsofuse.html
看最下面

Fair Use Policy
Summary
1. It is important to VoipStunt that all eligible VoipStunt customers are able to access our Services. Accordingly, We have devised a Fair Use Policy which applies to:
    (a) usage of VoipStunt free calls
    (b) usage of VoIP-In numbers
    (c) usage of promotions; and
    (d) any other promotions which are advertised by VoipStunt as subject to the Fair Use Policy ("Fair Use Promotions").

2. We reserve the right to vary the terms of the Fair Use Policy from time to time.

3. VoipStunt may rely on the Fair Use Policy where your:
    (a) usage of VoipStunt free calls;
    (b) usage of your VoIP-In number
    (c) participation in a Fair Use Promotion, is excessive or unreasonable, as defined below.


Excessive Use
1. In the case of VoipStunt free calls, there are restrictions on the maximum number of calls and the duration of the calls.

2. In the case of VoipIn numbers, applying for more than one number is excessive use

3. In the case of Fair Use Promotions, what is excessive use will either be advertised by VoipStunt at the time of the relevant promotion or included in this Fair Use Policy prior to the commencement of the relevant promotion.

Unreasonable Use
1. It is unreasonable use of VoipStunt Services where Your use of VoipStunt Services is reasonably considered by VoipStunt to be fraudulent or to adversely affect the VoipStunt Network or other VoipStunt customers' use of or access to a VoipStunt Service or the VoipStunt Network.

2. It is unreasonable use of the free calls is reasonably considered by VoipStunt to be fraudulent or to adversely affect the VoipStunt Network or other VoipStunt customers' use of or access to a VoipStunt Service or the VoipStunt Network.

3. It is unreasonable use of the VoIP-In numbers where it is reasonably considered by VoipStunt to be fraudulent or to adversely affect the VoipStunt Network or other VoipStunt customers' use of or access to a VoipStunt Service or the VoipStunt Network.

4. It is unreasonable use of a Fair Use Promotion where Your participation in a Fair Use Promotion is reasonably considered by VoipStunt to be fraudulent or to adversely affect the VoipStunt network or another VoipStunt customer's use of or access to a VoipStunt service or the VoipStunt network.

5. Among other things, "fraudulent use" includes resupplying a VoipStunt Service without VoipStunt's consent so that someone else may access or use VoipStunt or take advantage of a Fair Use Promotion.

Our rights
1. VoipStunt may charge you a cost-price based rate for any subsequent calls to one of the free destinations, terminate your account, or deny the use of the VoipStunt service or features of it.

灰猫

逮着免费的也不能天天打好几个钟头啊，有事打，没事就算了